All-Time Greatest Hits is a compilation album by Australian-American pop singer Helen Reddy that was released in 1991 by EMI-Capitol Special Markets and reissued by various labels with different covers on multiple occasions since.

Reception Stephen Thomas Erlewine of AllMusic writes, "All-Time Greatest Hits is a budget-priced, 10-track selection of Helen Reddy's best-known material from the '70s, and while there are some essential items missing [such as 'Keep On Singing', 'Emotion', and 'I Can't Hear You No More'], it still functions as a good, affordable sampler."

Track listing "I Don't Know How to Love Him" (Tim Rice, Andrew Lloyd Webber) – 3:15 "I Am Woman" (Ray Burton, Helen Reddy) – 3:24 "Peaceful" (Kenny Rankin) – 2:50 "Delta Dawn" (Larry Collins, Alex Harvey) – 3:08 "Leave Me Alone (Ruby Red Dress)" (Linda Laurie) – 3:26 "You and Me Against the World" (Kenny Ascher, Paul Williams) – 3:08 "Angie Baby" (Alan O'Day) – 3:29 "Ain't No Way to Treat a Lady" (Harriet Schock) – 3:26 "Somewhere in the Night" (Will Jennings, Richard Kerr) – 3:31 "You're My World" (Umberto Bindi, Gino Paoli, Carl Sigman) – 2:45

Personnel Helen Reddy – vocals Tom Catalano – producer (except as noted)(1972) I Am Woman by Helen Reddy [album jacket]. Los Angeles: Capitol Records ST-11068.(1973) Long Hard Climb by Helen Reddy [album jacket]. Los Angeles: Capitol Records SMAS-11213.(1974) Love Song for Jeffrey by Helen Reddy [album jacket]. Los Angeles: Capitol Records SO-11284. Larry Marks – producer ("I Don't Know How to Love Him")(1971) I Don't Know How to Love Him by Helen Reddy [album jacket]. Los Angeles: Capitol Records ST-762. Jay Senter – producer ("I Am Woman") Joe Wissert – producer ("Angie Baby", "Ain't No Way to Treat a Lady", "Somewhere in the Night")(1974) Free and Easy by Helen Reddy [album jacket]. Los Angeles: Capitol Records ST-11348.(1975) No Way to Treat a Lady by Helen Reddy [album jacket]. Los Angeles: Capitol Records ST-11418. Kim Fowley – producer ("You're My World")(1977) Ear Candy by Helen Reddy [album jacket]. Los Angeles: Capitol Records SO-11640. Earle Mankey – producer ("You're My World")

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